Make GrClipMaskManager stateless and push GrPipelineBuilder construction downstack

This will be followed up with a CL to remove the GrRenderTarget from the GrPipelineBuilder.

Split out of:
https://codereview.chromium.org/1988923002/ (Declassify GrClipMaskManager and Remove GrRenderTarget and GrDrawTarget from GrPipelineBuilder)

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2035823002

Review-Url: https://codereview.chromium.org/2035823002
32 files changed